JavaScript丛书总结的相关内容

文章 2022-10-18 来自：开发者社区

你不知道的JavaScript丛书总结(二)

该专栏总结自《你不知道的JavaScript》丛书的知识，易错易混点。类型装换类型转换发生在静态类型语言的编译阶段，而强制类型转换则发生在动态类型怨言的运行时。在js中统称为强制类型转换。抽象值操作ToString：他负责处理非字符串到字符串的强制类型转换。如果转化的是极大极小值时，转化后的字符串是指数形式。const a = 10...

文章 2022-10-18 来自：开发者社区

你不知道的JavaScript丛书总结(一)

该专栏总结自《你不知道的JavaScript》丛书的知识，易错易混点。类型和值通过typeof操作符执行时，得到的结果并不是该变量的类型，而是该变量持有的值的类型，因为JavaScript中的变量没有类型。typeof运算符总是返回一个字符串。undefined 和 undeclared已知在作用域中声明但是没有赋值的变量是undefine...

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更新时间 2022-10-27 14:01:09

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